doc/writing_filters: fix reference to Lenna image
authorClément Bœsch <u@pkh.me>
Tue, 18 Nov 2014 20:10:29 +0000 (21:10 +0100)
committerClément Bœsch <u@pkh.me>
Tue, 18 Nov 2014 20:12:17 +0000 (21:12 +0100)
doc/writing_filters.txt

index 40935d2..7051f5e 100644 (file)
@@ -23,7 +23,8 @@ for others using the `./ffmpeg -v 0 -filters|grep ' V->V '` command.
    pattern of the other filters.
  - ./configure ...
  - make -j<whatever> ffmpeg
- - ./ffmpeg -i tests/lena.pnm -vf foobar foobar.png
+ - ./ffmpeg -i http://upload.wikimedia.org/wikipedia/en/2/24/Lenna.png -vf foobar foobar.png
+   Note here: you can obviously use a random local image instead of a remote URL.
 
 If everything went right, you should get a foobar.png with Lena edge-detected.